Value Per Nutrient Food 0.25 g 100 grams Tryptophan Turkey, young hen, meat only, raw 0.25 g 100 grams Tryptophan Beef, brisket, flat half, boneless separable lean only, trimmed to 0" fat, all grades, raw 0.25 g 100 grams Tryptophan Turkey breast, pre-basted, meat and skin, cooked, roasted 0.25 g 100 grams Tryptophan Tofu, raw, firm, prepared with calcium sulfate 0.25 g 100 grams Tryptophan Lamb, domestic, foreshank, separable lean only, trimmed to 1/4" fat, choice, raw 0.25 g 100 grams Tryptophan Beef, rib, whole (ribs 6-12), separable lean and fat, trimmed to 1/8" fat, prime, cooked, broiled 0.25 g 100 grams Tryptophan Restaurant, family style, chicken fingers, from kid's menu 0.25 g 100 grams Tryptophan Fish, tuna, fresh, skipjack, raw